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Re: nfs server lockup (again)
On Fri, Jun 24, 2011 at 08:14:00AM -0700, Hisashi T Fujinaka wrote:
> On Fri, 24 Jun 2011, Manuel Bouyer wrote:
> >On Thu, Jun 23, 2011 at 06:06:14PM +0000, David Holland wrote:
> >>I've been thinking that the nfs client problems I've been seeing,
> >>which seem to be callout-related, are maybe connected, as could be the
> >>odd problem mrg has been having with raidframe.
> >>Do we have a debug hook or other method that will raise a panic if
> >>callouts stop getting processed?
> >unfortunably, no (AFAIK).
> My system has been hanging on heavy disk usage (my endless compiles) and
> I just noticed that one of the CPUs is pinned in rpc.something according
> to the top of "top" though it doesn't show up in the list below.
> So I'm not sure what's happening (I haven't been following) but I'm
> seeing issues on an amd64-current system.
To see if it's the problem you'll need to enter ddb and see what the
per-cpu soft interrupt threads are doing.
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
NetBSD: 26 ans d'experience feront toujours la difference
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